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button{color:var(--text-muted);font-size:14px;display:inline-flex;align-items:center;gap:4px}.breadcrumb button:hover{color:var(--accent)}.breadcrumb svg{width:14px;height:14px}.breadcrumb .sep{color:var(--text-faint)}.breadcrumb .cur{color:var(--text);font-weight:500}.tool-head{display:flex;align-items:flex-start;gap:16px;margin-bottom:24px}.tool-head .tool-icon{width:48px;height:48px;border-radius:12px}.tool-head .tool-icon svg{width:24px;height:24px}.tool-head h1{font-size:25px;font-weight:650;letter-spacing:-.01em}.tool-head p{font-size:14px;color:var(--text-muted);margin-top:6px}.tool-head .side{margin-left:auto;display:flex;align-items:center;gap:10px}.dropzone{border:2px dashed rgba(148,163,184,.3);border-radius:16px;background:var(--surface);padding:52px 24px;text-align:center;cursor:pointer;transition:all .18s}.dropzone:hover,.dropzone.drag{border-color:var(--primary);background:#4f8cff0f;box-shadow:0 0 30px #4f8cff1f}.dropzone .dz-icon{width:48px;height:48px;border-radius:12px;background:#4f8cff1f;border:1px solid rgba(79,140,255,.22);display:flex;align-items:center;justify-content:center;margin:0 auto 16px}.dropzone .dz-icon svg{width:24px;height:24px;stroke:var(--primary)}.dropzone h3{font-size:16px;font-weight:600}.dropzone p{font-size:13px;color:var(--text-muted);margin-top:7px}.dropzone .hint{margin-top:15px;font-size:12px;color:var(--text-faint);font-family:var(--mono)}.workspace{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:18px}.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px}.panel h3{font-size:15px;font-weight:600;margin-bottom:18px;display:flex;align-items:center;gap:8px}.panel h3 svg{width:16px;height:16px;stroke:var(--accent)}.param{margin-bottom:20px}.param label{display:block;font-size:13px;color:var(--text-muted);margin-bottom:9px}.param .val{float:right;color:var(--accent);font-weight:650;font-size:13px;font-family:var(--mono)}input[type=range]{width:100%;accent-color:var(--primary)}.radio-row{display:flex;gap:8px;flex-wrap:wrap}.radio-pill{border:1px solid var(--border);border-radius:9px;padding:8px 15px;font-size:13px;color:var(--text-muted);transition:all .15s}.radio-pill.active{border-color:var(--primary);color:var(--accent);background:#4f8cff1f;font-weight:500}.preview-box{border:1px solid var(--border);border-radius:10px;background:var(--bg-elevated);min-height:160px;display:flex;align-items:center;justify-content:center;color:var(--text-faint);font-size:13px;overflow:auto;padding:14px}.preview-box img{max-width:100%;border-radius:6px}.result-meta{display:flex;justify-content:space-between;align-items:center;margin-top:16px;font-size:13px;color:var(--text-muted);gap:10px;flex-wrap:wrap}.result-meta .size{font-weight:650;color:var(--text);font-family:var(--mono)}.btn{display:inline-flex;align-items:center;gap:7px;padding:11px 22px;border-radius:10px;font-size:14px;font-weight:500;transition:all .15s}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;box-shadow:0 0 18px #4f8cff4d}.btn-primary:not(:disabled):hover{box-shadow:0 0 30px #4f8cff80}.btn-ghost{border:1px solid var(--border-strong);color:var(--text)}.btn-ghost:hover{border-color:var(--primary);color:var(--accent)}.btn svg{width:16px;height:16px}.related{margin-top:34px}.related h3{font-size:16px;font-weight:600;margin-bottom:15px}.related-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.related-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:17px;display:flex;flex-direction:column;gap:9px;transition:all .15s;text-align:left}.related-card:hover{border-color:#4f8cff80;box-shadow:0 0 22px #4f8cff26}.related-card .rc-icon{width:32px;height:32px;border-radius:9px;background:#4f8cff1f;border:1px solid rgba(79,140,255,.2);display:flex;align-items:center;justify-content:center}.related-card .rc-icon svg{width:16px;height:16px;stroke:var(--primary)}.related-card .rc-name{font-size:14px;font-weight:600}.related-card .rc-desc{font-size:12px;color:var(--text-muted);line-height:1.4}.upsell{margin-top:30px;background:linear-gradient(135deg,#4f8cff1a,#22d3ee0f);border:1px solid rgba(79,140,255,.28);border-radius:var(--radius);padding:24px 26px;display:flex;align-items:center;gap:20px}.upsell .u-text{flex:1}.upsell .u-text strong{font-size:15px;font-weight:600;display:block}.upsell .u-text span{font-size:13px;color:var(--text-muted);display:block;margin-top:5px}.upsell .btn{flex-shrink:0}.seo{margin-top:30px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:26px}.seo h3{font-size:15px;font-weight:600;margin-bottom:11px}.seo p{font-size:14px;color:var(--text-muted);line-height:1.85}.text-tool{display:grid;grid-template-columns:1fr 1fr;gap:16px}.text-tool textarea{width:100%;min-height:320px;background:var(--bg-elevated);border:1px solid var(--border);border-radius:10px;padding:16px;color:var(--text);font-family:var(--mono);font-size:13px;line-height:1.6;resize:vertical;outline:none}.text-tool textarea:focus{border-color:var(--primary)}.text-tool textarea::placeholder{color:var(--text-faint)}.text-tool .panel h3{margin-bottom:12px}.tip{font-size:12px;color:var(--text-faint);margin-top:10px;line-height:1.6}.tip.error{color:var(--danger)}.tip.ok{color:var(--success)}.field{width:100%;background:var(--bg-elevated);border:1px solid var(--border);border-radius:10px;padding:12px 14px;color:var(--text);font-size:14px;outline:none;transition:border .15s}.field:focus{border-color:var(--primary)}.field::placeholder{color:var(--text-faint)}@media (max-width:900px){.grid,.prod-grid,.related-grid{grid-template-columns:repeat(2,1fr)}.workspace,.dual-upload,.text-tool{grid-template-columns:1fr}.hero h1{font-size:32px}.hero .stats{gap:28px}}@media (max-width:560px){.grid,.prod-grid,.related-grid{grid-template-columns:1fr}}